jennifer driven at the pentagon, thank you. arthel: and coming up, an intense manhunt underway for a prisoner accused of stabbing a police officer and escaping. where he could be and how he managed to get away. >>> plus, explosive new testimony in the trial of a woman accused of brutally murdering her lover. what jodi arias is now telling jurors about her past. >> throughout the fall i had been feeling suicidal, so i thought that that was kind of the point where i decided i wanted to, um, go through with that. so, um, i called my friend matt because he had guns, and i was going to ask him if i could borrow one because i wanted to kill myself. ♪ you know my heart burns for you... ♪ i'm up next, but now i'm sging the heartburn blues. hold on, prilosec isn't for fast relief. cue up alka-seltzer. it stops heartburn fast. ♪ oh what a relief it is! arthel: "happening now", a crime story repped from a hollywood movie. a massive search underway after a prisoner being transferred across the country goes on the lam after stabbing o